Skewer-pin machine



W. H. COX.

SKEWER PIN MACHINE.

APPLICATION FiLED MAY 6,1920- Patented Oct. 26,1920.

3 SHEETSSHEET 1.

\II II) W. H. COX.

SKEWER PIN MACHINE.

' APPLICATION FILED MAY 6. 1920. 1 ,357 29, Patenied Oct. 26, 1920,

3 SHEETS-SHEET 2.

3.- BY S W ATTORNEY.

W. H. COX.

SKEWER PIN-MACHINE.

APPLICATION FILED MAY 6.1920.

1,357,029, Patented Oct. 26,1920.

3 SHEETS-SHEET 3.

6 f3 INVEN'IOR.

UNITED STATES PATENT OFFICE.

WILLIAM H. cox, or ivioN'roonsvrnnn, PENNSYLVANIA.

sKEwnn-PI N MACHINE.

Specification of Letters Patent. Patented Oct. 26,

Application filed May 6, 1920. Serial No. 379,414.

T all whom it may concern Be it known that I, WILLIAM H. Cox, a citizenof the United" States, residing at Montoursville, in the county ofLycoming and State of Pennsylvania, have invented certain new and usefulImprovements in Skewer-Pin Machines; and I do hereby, de clare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same.

The present invention relates to skewerpin making machines, and consistsin the combination and arrangements of elements hereinafter describedand particularly set forth in the accompanying claims.

The invention has for its purpose to provide a'machine of this characterwhich will form the skewer-pins from blanks by a series of cooperatingsequential operations and without requiring any manual handling of thepinsfrom the time of the initial step to the completion of the finaloperation.

A further purpose of the invention resides in providing amachineemploying a feeding hopper, a scar-ling knife, a series of pin formingdies, a conveyor adapted to receive the pins and block from the dies andcarry the same and cutters for forming the points of the pinsindividually as the same are conveyed, all. operating in the sequencegiven and froma single power source.

The invention is disclosed by way of illustration in the accompanyingdrawings, wherein- Figure 1 is a top plan view of the machine;

Fig. Fig. 3, an end elevational view; M Fig. 4:, a detail view of thescarfing knife; F ig. 5, an end view of the die;. Fig. 6, a frontelevational view of the die: Fig. 7, a transverse sectional view takenthrough the conveyer and showing the pin pointing apparatus sharpeningdevice. and Fig. 8 is a transverse sectional view of Fig. 7, taken onthe line 8-8 thereof.

Referring to the constructionin further detail, and wherein likereference characters designate corresponding parts in the differentviews shown, the machine comprises a suitable supporting frame 9 adaptedtobe secured to a foundation by the ap'ertured lugs 10, andll designatesa hopper to receive the blanks B, that are adapted to be 2, a sideelevational view thereof; the scarf blankstherethrough.

delivered to the machine through the open hopper bottom 2 as shown (seeFig. 1). The blanks B are intermittently fedffrom the hopper by thereciprocable slide 13, that works in the groove 14 of the machine frame9, and the operating means for the slide consists of a pitman 15connected to the crank arm 16 of a crank shaft 17 (see Fig. 2).

In the forwarding operation from the hopper the blanks B are forcedgrain-wise through the two scarfing knives 18, that are adjustablysecured to the hopper frame 11 by the nut and bolt 19, and following thescarfing operation the blank is forced beneath a forwarding roller 20,whose journal bearings 21 have limited play within the guides 22 formed.in the posts 23 of the frame work 9. Said roller 20 has its pres sureregulated by the hand adjusting wheels -24and springs 25 (see Fig. 2).

feeding slide 13 acting on thenext following blank to be delivered fromthe hopper as will be understood. The several. tubular dies 26 arecontained. within the pair of clamping plates 27 and. 28, which is inturn bolted or otherwise secured to the frame 9, and each tubular die isformed with shoulder portions 29 and 30 giving a reduced intermediateportion, whereby, the dies may be firmly secured between the clampingplates 27 and 28 and be held against anyslight displacement due to thepressure of As each series of blanks or pins leaves the series of diesunder the force of the following blanks, itisdeliveredto the endlessconveyer 31 (see Figs. 1 and 8) that isnotched or groovedto receivesaidpins in proper spaced relation, as shown. Said conveyer beltismounted on the pair of pulleys 32 and 33, and movement is impartedthereto by knurled heads or rollers 42 and 13 that are located on eitherside or the conveyer belt 31 1n such a manner that the pins are Indyvidually lifted out of their grooves in the belt (as shown in Figs. 7and 8), and brought into contact with the rotary cutter A, that issecured to and operates on. the shaft -25, which is connected, to bedriven from the shaft 38 by the high-speed chain and sprocket gearingi6, 4:7 and 4:8, It will thus be seen that by the action of the knurledheads 42 and t3, the blanks will each have imparted thereto a rotarymotion about its own axis, and by the cutter roller as will thus havethe point P syn'unetrically formed thereon. After this pointingoperaation each blank or pin as formed will be dropped into its propernotch or groove of the conveyor belt and thence carried to the dischargeend of the machine and deposited into a suitable receptacle thereat.

It will be seen from the foregoing that the several elements of themachine will be operated from a single power source connected to drivethe shaft 38, to wit: the shaft lt' is connected to be driven from saidshaft-38 by the countershait't l9 through miter gears 50, 51, and 52,53; the conveyor belt through the transmissions 34, and 35; the knurledheads 42 and 453 through'the gearing 39 and 4:0, and the rotary cutterthrough the feed drive 46, 47 and 48.

It -is obvious that those skilled in the art may vary the details ofconstruction and arrangement of parts without departing from the spiritof my invention, therefore I do not wish to be limited to such figuresexcept as maybe required by the claims.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent is: 1. In an apparatus of the characterdescribed, the combination of means for feeding a wooden blank. asca'rfing knife for initially forming the articles from the woodenblank, a die for operating on "the scarfed blank for forming the sameinto the separate articles, means for conveying the separate articles,and means for finishing the articles singly, substantially as set forth.

2. In a machine for making skewer-pins, the combination of a supportingstructure, a hopper adapted to receive the blanks, a scarfing knifeadapted to initially form the pins from blanks. means for feeding theblanks to the scarfing knife, dies for receiving the blank from thescarfing knife and separating the same into the individual pin pieces,aconveyer adapted to receive said pieces from the dies, co-actingdevicesadapted to receive and separately hold the pin members, and a cutteradapted to point the blanks while held bysaid members, substantially asset forth.

8. In a machine for making skewer pins,

the combination of a suitable support, a hopper adapted to receive theblanks, a

sc-arfing knife constructed to cut and ini-- tially form the blanks, apresser roller located in the rear of the scarfing knife, means forfeeding the blank through said scarfing the blank pin members from theconveyer,

and a cutter adapted to form the points on the pins while the same areheld by said coacting members, substantially as set forth.

4. In a machine for making skewer pins, the combination of a suitablesupport, a hopper for holding blanks, a feeder operable to deliver theblanks from the hopper, a scarfing knife for initially working theblanks as the same leave the hopper, a die for cutting the scarfed blankinto the several pin members, a conveyer adapted to receive the pinmembers from the die, a device for temporarily raising the pins from theconveyer and imparting rotation thereto, and a cutter for pointing thepins while the same are inraised position and rotated, substantially. asset forth.

5. In a machine for making skewer pins, the combination of a suitablesupport, a hopper for holding blanks, areciprocable feeder operable todeliver the blanks from the hopper, a scarfing knife for initially cutting the blank in parallel rows as the same leaves the hopper, aplurality of tubular dies for cutting the sca-rfed blank into theseveral pin members, a conveyor adapted. to receive the .pin members ingroups from said tubular dies; co-acting rollers for temporarilyand'individually raising the pins from the conveyor and impartingrotation thereto, a rotary cutter for pointing the pins while the sameare in raised position and rotated, and a common actuating mechanism forsaid means, substantially as set forth.

"6. In a skewer-pin making machine, the

combination of a blank receiving hopper. a scarfingknife for initiallycutting the blank, dies for forming the scarfed blank into pin members,a reciprocable member for feeding the blanks from the hopper to thescarfing knife and said dies, a conveyor constr cted into pin members, areciprocable carrier for a common operating means for said mecha- 10feeding the blanks from the hopper to the nisms, substantially as setforth. scarfing knife and said tubular dies, an end- In testimonywhereof I affix my signature less conveyer having grooves adapted tosepin the presence of two Witnesses.

arately receive the pin members from said dies, oooperable rollersadapted to separately lift said pin members from the conveyer andWitnesses: impart rotation thereto, a cutter for pointing J. W. MONROE,the pin members during said rotation, and H. H. BYRNE.

WILLIAM H. COX.

